Application Fee
See agencyVerified by WA Board of Trades
Plumber Licensing in Washington
Review current requirements, exam details, renewal cycle, and salary outlook for plumber in Washington, including See agency and board contact links.
Last verified: Feb 12, 2026
Exam Requirement
Both state and third-party exams requiredRenewal Cycle
See board renewal rulesLicensing Blueprint for Plumber in Washington
Estimated timeline: 6-24 monthsCore Requirements
- License Type: Stand-alone license
- Education: Specific course required
- Examination: Both state and third-party exams required
- Application Fee: See agency
- Experience: Work experience required
- Background Check: No criminal record prohibitions
- Continuing Education: Continuing education required to maintain license
Application Snapshot
- Licensing Authority
Department of Labor and Industries
- Current Filing Fee
See agency
- Renewal Cycle
See board renewal rules
- Salary Position
$79,070 median (26% above national)
- State Salary Rank
#6 of 50 states
Step-by-Step Process (4)
- 1. Meet baseline eligibility requirements.
- 2. Complete approved education/training requirements.
- 3. Pass required exam(s) and submit application.
- 4. Maintain and renew license according to board rules.
Salary Insights in Washington
With a median salary of 79,070, Plumbers in Washington earn 26% above the national median of $62,970. Washington ranks #6 among 50 states. The typical licensing timeline is 6-24 months.
Median annual salary
$79,070Hourly estimate
$38.0126% above national median
Difference: +$16,100
Percentile Distribution
Annual compensationPlumber Salary Ranking
#6 of 50 statesfor Plumber median salary
| Rank | State | Median Salary |
|---|---|---|
| #1 | Illinois | 96,200 |
| #2 | Oregon | 93,110 |
| #3 | Minnesota | 83,280 |
| #4 | Massachusetts | 83,260 |
| #5 | Alaska | 83,090 |
Nearby States Comparison
Plumber licensing across the regionLicense by Endorsement
Transfer requirements are state-specific. Use this quick matrix as a planning signal, then verify final endorsement rules with each board.
| State | Reciprocity Score | Tier | Notes |
|---|---|---|---|
| Washington | 50 | Low | State-specific exam conditions may apply. Documented experience may be required. |
| Idaho | 50 | Low | State-specific exam conditions may apply. Documented experience may be required. |
| Oregon | 78 | High | Board-specific review required. |
- License status indicator: Active.
- Continuing education indicator: Continuing education required to maintain license.
- Reciprocity and transfer rules vary by state board. Verify directly with the agency.
Official Licensing Agency
Department of Labor and Industries
7273 Linderson Way SW, Tumwater, WA, 98501-5414
Phone: 3609025800
Related Careers in Washington
| Profession | Median Salary | Education | Timeline |
|---|---|---|---|
| Carpenter | $73,260 | Degree required | 6-24 months |
| Electrician | $96,530 | Specific course required | 6-24 months |
| Elevator Installer | $133,030 | Degree required | 6-24 months |
| HVAC Technician | $67,630 | No educational requirements | 6-24 months |
FAQ
How long does it take to become a Plumber in Washington?
Most applicants finish the licensing path in about 6-24 months, but timing can change based on education track, exam scheduling, and board processing.
What exams are required for Plumbers in Washington?
Washington lists Both state and third-party exams required as part of the licensure process for Plumbers.
What education do you need to become a Plumber in Washington?
The board typically expects Specific course required for Plumber licensure in Washington.
What is the typical Plumber salary in Washington?
The median annual salary for Plumbers in Washington is 79,070. Salaries range from $47,570 (10th percentile) to $139,280 (90th percentile).
How does the Plumber salary in Washington compare to the national average?
Plumbers in Washington earn 26% above the national median of $62,970, with a state median of 79,070.
How many Plumbers work in Washington?
Washington employs approximately 12,210 Plumbers according to BLS data.
Can I transfer my Plumber license to Washington from another state?
Transfer requirements vary by board. License status indicator: Active. Continuing education indicator: Continuing education required to maintain license. Reciprocity and transfer rules vary by state board. Verify directly with the agency.
Who is the licensing agency for Plumbers in Washington?
The licensing agency is Department of Labor and Industries. Review agency details at http://www.lni.wa.gov/.